In a distribution of scores with a mean of 234 and a standard deviation of 47, what is in the 43rd percentile ? and what formula do i use ?
2 answers
225.209 :]
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion and its Z score. Insert the values in the equation below and solve for the score.
Z = (score-mean)/SD
Z = (score-mean)/SD